1448601657 has 4 divisors (see below), whose sum is σ = 1931468880. Its totient is φ = 965734436.

The previous prime is 1448601643. The next prime is 1448601659. The reversal of 1448601657 is 7561068441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1448601657 - 2⁴ = 1448601641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1448601659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241433607 + ... + 241433612.

It is an arithmetic number, because the mean of its divisors is an integer number (482867220).

Almost surely, 2^1448601657 is an apocalyptic number.

It is an amenable number.

1448601657 is a deficient number, since it is larger than the sum of its proper divisors (482867223).

1448601657 is an equidigital number, since it uses as much as digits as its factorization.

1448601657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482867222.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1448601657 is about 38060.4999573048. The cubic root of 1448601657 is about 1131.4872361361.

The spelling of 1448601657 in words is "one billion, four hundred forty-eight million, six hundred one thousand, six hundred fifty-seven".